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This is a reinforcement of #37227. It turns out that persistent tasks are not made stale if the node they were running on is restarted and the master node does not notice this. The main scenario where this happens is when minimum master nodes is the same as the number of nodes in the cluster, so the cluster cannot elect a master node when any node is restarted. When an ML node restarts we need the datafeeds for any jobs that were running on that node to not just wait until the jobs are allocated, but to wait for the autodetect process of the job to start up. In the case of reassignment of the job persistent task this was dealt with by the stale status test. But in the case where a node restarts but its persistent tasks are not reassigned we need a deeper test. Fixes #36810
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